A basic glass bowl (or "slide") is the most commonly replaced part of a bong. When selecting one in 2026, it is essential to match three specific criteria to ensure a proper fit and safe use.
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Common Sizes:
- 14mm (Standard): The most popular size for personal use.
- 18mm (Large): Often used for larger bongs or "party bowls" due to increased airflow.
- 10mm (Micro): Found on mini-rigs or travel bongs.
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Gender Compatibility:
- If your bong has a female joint (a wide, flared opening), you need a male bowl.
- If your bong has a male joint (a protruding glass stem), you need a female bowl.